CN217173777U - Pressure adjusting and controlling device for smelting reduction furnace - Google Patents
Pressure adjusting and controlling device for smelting reduction furnace Download PDFInfo
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- CN217173777U CN217173777U CN202220894537.7U CN202220894537U CN217173777U CN 217173777 U CN217173777 U CN 217173777U CN 202220894537 U CN202220894537 U CN 202220894537U CN 217173777 U CN217173777 U CN 217173777U
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Abstract
The utility model provides a smelting reduction furnace pressure regulation controlling means, includes entry conic section (4), entry straight section of thick bamboo (5), export conic section (14), the both ends of entry straight section of thick bamboo (5) are connected respectively into entry conic section (4) and export conic section (14), entry straight section of thick bamboo (5) inside is provided with hydraulic servo system (8), conical valve seat (9), toper valve clack (10), guide bar, hydraulic servo system (8) in proper order with toper valve clack (10), guide bar coaxial coupling, toper valve clack (10) set up in the conical valve seat (9), hydraulic servo system (8) can drive toper valve clack (10) and move, and then adjust the size of air current passageway between toper valve clack (10) and toper valve seat (9). The device greatly reduces the degree of erosive wear of dusty airflow to the valve plate, and greatly prolongs the service life of the device.
Description
Technical Field
The utility model relates to an ironmaking equipment technical field to more specifically relates to a quick, accurate adjusting and controlling device of smelting reduction furnace pressure.
Background
The stability that smelting furnace pressure was controlled to traditional field adoption pressure-reducing valve group, make normal smelting production go on smoothly under the settlement pressure, but what present pressure control pressure-reducing valve group adopted usually is that the butterfly valve adjusts the air current direction and the air current bundle quantity that pass through the valve plate reaches the regulation control to smelting furnace pressure, but owing to mix with a certain amount of particulate matter and then cause the erosive wear to the valve plate in the air current the inside through the valve plate, make holistic life greatly reduced, still can cause follow-up pipeline to produce violent vibrations in addition, the stability to the air current has produced the influence, and then influence stability and accuracy to smelting furnace pressure regulation and control, above defect is outstanding day by day, normal smelting production has seriously been restricted.
The furnace pressure adjusting and controlling device of the smelting reduction furnace can well overcome the defects in the pressure adjusting and controlling process of the existing smelting furnace, the principle of the device is that the transverse movement of the conical valve plate is used for adjusting and controlling air flow to control the pressure through the size of a channel between the valve seat and the valve plate, and because the conical valve plate exists, the air flow channel can be ensured to be always in a concentric ring state, so that the passing air flow can smoothly and uniformly pass through the outside of the conical valve plate, the stability of the pressure adjusting and controlling of the smelting furnace is ensured, meanwhile, the accuracy of pressure adjusting and controlling is increased, the scouring wear degree of the dust-containing air flow to the valve plate is reduced, and the service life of the device is greatly prolonged. Meanwhile, under the national carbon peak carbon neutralization environment, the smelting reduction smelting process has a great market prospect, and therefore, a furnace pressure adjusting and controlling device of the smelting reduction furnace can be greatly developed.
SUMMERY OF THE UTILITY MODEL
According to the embodiment of the disclosure, a pressure adjusting and controlling device for a smelting reduction furnace is provided for solving the problems existing in the prior art so as to solve the problem that the existing conveying belt cannot meet the requirements of the existing process.
In order to solve the technical problem, the utility model discloses a technical scheme as follows:
the utility model provides a smelting reduction furnace pressure regulation controlling means, includes entry conic section 4), entry straight section of thick bamboo 5, export conic section 14, the both ends of entry straight section of thick bamboo 5 are connected respectively into entry conic section 4 and export conic section 14, 5 inside hydraulic servo 8, conical valve seat 9, tapered valve clack 10, the guide bar of being provided with of entry straight section of thick bamboo 5, hydraulic servo 8 in proper order with tapered valve clack 10, guide bar coaxial coupling, tapered valve clack 10 sets up in the conical valve seat 9, hydraulic servo 8 can drive tapered valve clack 10 motion, and then adjusts the size of air current passageway between tapered valve clack 10 and the conical valve seat 9.
Furthermore, the inlet of the inlet cone section 4 is connected to the inlet flange 3, and the outlet of the outlet cone section 14 is connected to the outlet flange 15.
Further, the conical valve seat 9 is connected with the inner side of the inlet straight-tube section 5 through a valve seat reinforcing rib plate 7.
Further, still include guide bar fixing support, the guide bar setting is in guide bar fixing support 12, and guide bar fixing support 12 is connected with entry straight section of thick bamboo 5 inboard through guide bar fixing support deep floor 11.
Further, still include air current amortization shock attenuation part 2, air current amortization shock attenuation part 2 comprises shock attenuation orifice plate 13, shock attenuation orifice plate 13 sets up inside the straight section of thick bamboo section 5 of entry, is connected through the round pin axle, realizes the shock attenuation of whole device and falls and gaseous water conservancy diversion.
Furthermore, the hydraulic servo system 8 is composed of a rodless cavity 16, a cylinder body outer sleeve 17, an oil cylinder oil inlet 19, an oil cylinder oil return port 18, a connecting pin rod 20, a valve core fixing sealing sleeve 21 and an oil cylinder fixing support 24, and hydraulic oil passing through the oil cylinder oil inlet 19 and the oil cylinder oil return port 18 returns to drive the rodless cavity 16 to move in a telescopic mode.
Further, the pressure regulation control device is also provided with an inspection manhole 6, and four manholes are arranged on the whole device.
Furthermore, the adjusting and controlling device is also provided with a guide rod and valve core connecting device 23, one end of the guide rod and valve core connecting device 23 is connected with the conical valve clack 10, and the other end is connected with the guide rod, so that the conical valve clack 10 can work according to the set telescopic motion track.
The utility model discloses an advantage and effect:
the pressure regulation control device is different from the limitation of the existing pressure regulation control device with multiple pressure reducing valve banks, can realize linear and accurate regulation and control on the pressure of the smelting reduction furnace, can reduce the equipment vibration caused by the change of the flow velocity of air flow, and can also prevent the noise pollution caused by the equipment vibration. The device is different from the limitation of the existing pressure regulation control device with multiple pressure reducing valve groups, can regulate and control air flow through the transverse movement of the conical valve plate under the control of a hydraulic servo system to control the pressure through the size of a channel between the valve seat and the valve plate, thus ensuring the timeliness of the pressure regulation control of the smelting reduction furnace; the device is different from the limitation of the existing pressure regulation control device of the multi-pressure reducing valve group, and the existence of the conical valve clack can ensure that the airflow channel is always in a concentric ring state, so that the passing airflow can smoothly and uniformly pass through the outside of the conical valve plate, thereby ensuring the stability of the pressure regulation control of the smelting furnace and simultaneously increasing the accuracy of the pressure regulation; the pressure regulating and controlling device is different from the limitation of the existing pressure regulating and controlling device with a plurality of pressure reducing valve groups, and the device is always in the state of a concentric circular ring channel due to the strict control on the channel passing through the air flow, so that the scouring wear degree of the dusty air flow to the valve plate is greatly reduced, and the service life of the device is greatly prolonged.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
FIG. 1 is a longitudinal view of a pressure control apparatus for a smelting reduction furnace according to the present invention.
Fig. 2 is an enlarged view of a hydraulic servo system of the pressure adjustment control device for the smelting reduction furnace.
1. A pressure regulation control section; 2. an airflow silencing and damping part; 3. an inlet flange; 4. an inlet cone section; 5. an inlet straight section; 6. an inspection manhole; 7. a valve seat reinforcing rib plate; 8. a hydraulic servo system; 9. a conical valve seat; 10. a tapered valve flap; 11. a guide rod fixed support is provided with a reinforcing rib plate; 12. the guide rod fixing support; 13. a shock-absorbing orifice plate; 14. an outlet cone section; 15. an outlet flange; 16. a rodless cavity; 17. the cylinder body is sleeved with a sleeve; 18. an oil return port of the oil cylinder; 19. an oil inlet of the oil cylinder; 20. a connecting pin rod; 21. a valve core is fixed and sealed; 22. a valve core actuator; 23. the guide rod and the valve core are connected with each other; 24. oil cylinder fixing support
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly and completely described below. It is to be understood that the embodiments described are some, not all embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
The technical solution of the present invention will be further explained and illustrated with reference to the following specific embodiments.
A pressure regulation control device of a smelting reduction furnace mainly comprises a pressure regulation control part 1 and an airflow silencing and damping part 2, wherein the pressure regulation control part 1 comprises an inlet flange 3, an inlet conical section 4, an inlet straight cylinder section 5, a hydraulic servo system 8, an inspection manhole 6, a valve seat reinforcing rib plate 7, a conical valve seat 9, a conical valve flap 10, a guide rod fixing support reinforcing rib plate 11, a guide rod fixing support 12, a valve core executing mechanism 22 and a guide rod and valve core connecting device 23, the airflow silencing and damping part 2 comprises a damping pore plate 13, an outlet conical section 14 and an outlet flange 15, and the hydraulic servo system 8 comprises a rodless cavity 16, a cylinder body outer sleeve 17, an oil cylinder oil inlet 19, an oil cylinder oil return port 18, a connecting pin rod 20, a valve core fixing seal sleeve 21 and an oil cylinder fixing support 24.
The pressure regulation and control device is provided with an inlet flange 3 which is mainly used for connecting a gas pipeline of a previous process;
the inlet conical section 4 arranged on the pressure regulation control device is used for connecting the inlet flange 3 and the inlet straight cylinder section 5 and has the functions of reducing and guiding;
the pressure regulation control device is also provided with an inlet straight cylinder section 5 which mainly has the function of installing a hydraulic servo system 8;
the pressure regulation control device is also provided with an inspection manhole 6, and four inspection manholes are arranged on the whole device to facilitate point inspection and maintenance of equipment;
the pressure regulation control device is also provided with a valve seat reinforcing rib plate 7 which mainly connects and fixes a conical valve seat 9 with the shell of the inlet straight cylinder section 5;
the hydraulic servo system 8 of the pressure regulation control device is a power control part of the whole device; the telescopic control device mainly drives the rodless cavity 16 to do telescopic motion by the back and forth of hydraulic oil of the oil cylinder oil inlet 19 and the oil cylinder oil return port 18, so that the control on the conical valve flap 10 is further realized, the size of an air flow channel between the conical valve flap 10 and the conical valve seat 9 is further adjusted, and the regulation and control on pressure are further realized;
the pressure regulation control device is also provided with a guide rod fixed support reinforcing rib plate 11 which is connected with the straight cylinder section shell in a welding mode and plays a role in reinforcing and fixing the guide rod fixed support 12;
furthermore, the adjusting control device is also provided with a guide rod and valve core connecting device 23 which is a bolt connecting part and has the function of ensuring that the conical valve clack 10 works according to a set telescopic motion track;
furthermore, the tail part of the adjusting and controlling device is provided with an airflow silencing and damping part 2, so that the device for reducing vibration frequency and airflow noise can also realize the function of gas backflow;
furthermore, the damping orifice plate 13 in the airflow silencing and damping part 2 of the adjusting and controlling device is connected with the shell of the part through a pin shaft, so that the damping, noise reduction and gas flow guiding functions of the whole device can be realized;
furthermore, the tail part of the pressure regulation control device is provided with an outlet conical section 14 which is a diameter-variable part of the tail part, so that the pipeline butt joint of the subsequent process is convenient, and the pressure regulation control device has the functions of starting and starting;
further, the pressure regulation and control device is also provided with an outlet flange 15 which is a part butted with a pipeline in a subsequent process;
further, the hydraulic servo system 8 of the pressure regulation control device is a power part of the whole device, and the hydraulic oil mainly enters and returns through an oil cylinder oil inlet 19 and an oil cylinder oil return port 18 to drive the rodless cavity 16 to do telescopic movement, so that the conical valve flap 10 is further controlled, the size of an air flow channel between the conical valve flap 10 and the conical valve seat 9 is further adjusted, and the pressure regulation control is further realized.
Example 1
A pressure regulation and control device for a smelting reduction furnace. The hydraulic servo system 8 starts to drive the rodless cavity 16 to extend through the oil inlet 19 of the oil cylinder after receiving a pressure adjusting control signal, returns oil through the oil return port 18 of the oil cylinder to enable the conical valve clack 10 to start to enlarge an air flow channel between the conical valve clack 10 and the conical valve seat 9 along the direction of the pressure guiding rod fixed on the pressure guiding rod fixing support 12 under the driving of the pressure guiding rod and valve core connecting device 23, so that air flow is increased, the air flow direction and speed are changed again after the phase change speed regulation of the inlet conical section 4 and the inlet straight cylinder section 5 are sequentially performed, the adjustment control of reducing the pressure of the smelting reduction furnace is realized, the flow speed and the vibration and the noise are reduced through the damping orifice plate 13, and the air flow is sent to a downstream process through the outlet conical section 14 and the outlet flange 15.
Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a smelting reduction furnace pressure regulation controlling means, its characterized in that includes entry conic section (4), entry straight section of thick bamboo (5), export conic section (14), the both ends of entry straight section of thick bamboo (5) are connected respectively into entry conic section (4) and export conic section (14), entry straight section of thick bamboo (5) inside is provided with hydraulic servo system (8), conical valve seat (9), toper valve clack (10), guide bar, hydraulic servo system (8) in proper order with toper valve clack (10), guide bar coaxial coupling, toper valve clack (10) set up in toper valve seat (9), hydraulic servo system (8) can drive toper valve clack (10) and move, and then adjust the size of air current passageway between toper valve clack (10) and toper valve seat (9).
2. A smelting reduction furnace pressure regulation and control apparatus according to claim 1, characterized in that an inlet of the inlet cone (4) is connected to an inlet flange (3) and an outlet of the outlet cone (14) is connected to an outlet flange (15).
3. A smelting reduction furnace pressure regulating and controlling apparatus according to claim 2, characterized in that the conical valve seat (9) is connected to the inside of the inlet straight tube section (5) through a valve seat reinforcing rib plate (7).
4. A smelting reduction furnace pressure regulating and controlling apparatus according to claim 3, further comprising a guide rod fixing support, the guide rod is disposed in the guide rod fixing support (12), and the guide rod fixing support (12) is connected to the inner side of the inlet straight tube section (5) through a guide rod fixing support reinforcing rib plate (11).
5. A pressure regulation and control device for a smelting reduction furnace according to claim 4, further comprising a gas flow silencing and damping part (2), wherein the gas flow silencing and damping part (2) is composed of damping orifice plates (13), and the damping orifice plates (13) are arranged inside the inlet straight cylinder section (5) and connected through pin shafts, so that the damping, noise reduction and gas diversion of the whole device are realized.
6. The pressure regulation control device of a smelting reduction furnace according to claim 5, wherein the hydraulic servo system (8) is composed of a rodless cavity (16), a cylinder body outer sleeve (17), a cylinder oil inlet (19), a cylinder oil return opening (18), a connecting pin rod (20), a valve core fixing sealing sleeve (21) and a cylinder fixing support (24), and hydraulic oil passing through the cylinder oil inlet (19) and the cylinder oil return opening (18) returns to drive the rodless cavity (16) to move telescopically.
7. A smelting reduction furnace pressure regulating and controlling apparatus according to claim 6, wherein said pressure regulating and controlling apparatus is further provided with service manholes (6), and four manholes are provided in the entire apparatus.
8. The pressure regulating and controlling apparatus for a smelting reduction furnace according to claim 7, wherein the regulating and controlling apparatus is further provided with a guide rod and valve core connecting device (23), one end of the guide rod and valve core connecting device (23) is connected with the conical valve flap (10), and the other end is connected with the guide rod, so as to ensure that the conical valve flap (10) operates according to the set telescopic motion track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220894537.7U CN217173777U (en) | 2022-04-18 | 2022-04-18 | Pressure adjusting and controlling device for smelting reduction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220894537.7U CN217173777U (en) | 2022-04-18 | 2022-04-18 | Pressure adjusting and controlling device for smelting reduction furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217173777U true CN217173777U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220894537.7U Active CN217173777U (en) | 2022-04-18 | 2022-04-18 | Pressure adjusting and controlling device for smelting reduction furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217173777U (en) |
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2022
- 2022-04-18 CN CN202220894537.7U patent/CN217173777U/en active Active
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